git bisect points to the following commit: 3971e1a917548977cff71418a7c3575ffbc9571f is first bad commit commit 3971e1a917548977cff71418a7c3575ffbc9571f Author: Alex Nixon <[EMAIL PROTECTED]> Date: Tue Jul 29 22:33:03 2008 -0700
VFS: increase pseudo-filesystem block size to PAGE_SIZE This commit: commit ba52de123d454b57369f291348266d86f4b35070 Author: Theodore Ts'o <[EMAIL PROTECTED]> Date: Wed Sep 27 01:50:49 2006 -0700 [PATCH] inode-diet: Eliminate i_blksize from the inode structure caused the block size used by pseudo-filesystems to decrease from PAGE_SIZE to 1024 leading to a doubling of the number of context switches during a kernbench run. Signed-off-by: Alex Nixon <[EMAIL PROTECTED]> Cc: Andi Kleen <[EMAIL PROTECTED]> Cc: Jeremy Fitzhardinge <[EMAIL PROTECTED]> Cc: Peter Zijlstra <[EMAIL PROTECTED]> Cc: Ingo Molnar <[EMAIL PROTECTED]> Cc: Ian Campbell <[EMAIL PROTECTED]> Cc: "Theodore Ts'o" <[EMAIL PROTECTED]> Cc: Alexander Viro <[EMAIL PROTECTED]> Cc: Hugh Dickins <[EMAIL PROTECTED]> Cc: Jens Axboe <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> [2.6.25.x, 2.6.26.x] Signed-off-by: Andrew Morton <[EMAIL PROTECTED]> Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]> :040000 040000 96f34c51d3eb7e47f101f5cbfa15ae2a6f39480f 900bf1fe7100529521a97c56440185686ce7453d M fs -- dann frazier -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]